<template>
  <div class="box">
    <img :src="x" alt="">
  </div>
</template>

<script>
export default {
    data() {
        return {
            x:"https://img0.baidu.com/it/u=1184172233,1966548875&fm=253&fmt=auto&app=120&f=JPEG?w=889&h=500"
        }
    },
}
</script>

<style>
.box{
    width: 100%;
    height: 300px;
}
.box>img{
    width: 100%;
}
</style>